﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
//引入命名控件：
using Microsoft.Win32;
using System.Runtime.InteropServices;


namespace IdragonetEye
{
    /// <summary>
    /// 显示/隐藏任务栏，屏蔽任务管理器代码 
    /// </summary>
    public class Class_force
    {
        [DllImport("user32.dll", EntryPoint = "FindWindowA")]
        public static extern IntPtr FindWindowA(string lp1, string lp2); //获取任务栏

        [DllImport("user32.dll", EntryPoint = "ShowWindow")]
        public static extern IntPtr ShowWindow(IntPtr hWnd, int _value); //显示/隐藏任务栏

        /// <summary>
        /// 是否屏蔽CTRL+ALT+DEL
        /// </summary>
        /// <param name="i">1=屏蔽 0=取消屏蔽</param>
        public static void ShieldMissionTask(int i)
        {
            try
            {
                //屏蔽 Ctrl + Alt + Del 键
                RegistryKey key = Registry.CurrentUser;
                RegistryKey key1 = key.CreateSubKey(@"Software\Microsoft\Windows\CurrentVersion\Policies\System");
                key1.SetValue("DisableTaskMgr", i, Microsoft.Win32.RegistryValueKind.DWord);
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        /// <summary>
        /// 是否显示任务栏
        /// </summary>
        /// <param name="i">5=显示 0=隐藏</param>
        public static void ShieldTaskBar(int i)
        {
            try
            {
                IntPtr hTray = FindWindowA("Shell_TrayWnd", String.Empty); //获取任务栏
                ShowWindow(hTray, i); //隐藏任务栏
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
    }
}